patch-2.3.48 linux/include/asm-mips64/branch.h

• Lines: 29
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/branch.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/branch.h linux/include/asm-mips64/branch.h
@@ -0,0 +1,28 @@
+/* $Id: branch.h,v 1.1 1999/08/21 22:19:17 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Branch and jump emulation.
+ *
+ * Copyright (C) 1996, 1997, 1998, 1999 by Ralf Baechle
+ */
+#include <asm/ptrace.h>
+
+extern inline int delay_slot(struct pt_regs *regs)
+{
+	return regs->cp0_cause & CAUSEF_BD;
+}
+
+extern int __compute_return_epc(struct pt_regs *regs);
+
+extern inline int compute_return_epc(struct pt_regs *regs)
+{
+	if (!delay_slot(regs)) {
+		regs->cp0_epc += 4;
+		return 0;
+	}
+
+	return __compute_return_epc(regs);
+}